How to install a BULLET PIERCING VALVE - Sealed refrigeration systems

SUPCO BPV31 BULLET PIERCING VALVE Air Conditioning and Refrigeration applications The only valve with a permanent, patented gasket to provide 50 times more sealing area then standard O-ring type valves. Safe for use on the LOW SIDE of R410 systems. Features/Benefits Patented valve gasket provides 50 times more sealing area than competitive 'O' ring types Corrosion resistant Piercing needle is engineered for concentricity and hardness to insure perfect seating every time 500 PSI Maximum pressure Non-positional mounting, no adapter valve required Requires only 2" clearance for installation and operation Hex key wrench included Follow me on instagram! @JumperManTech